C44300 is a type of admiralty brass, which is a copper-zinc alloy with small amounts of other elements such as tin and arsenic. Admiralty brass is known for its excellent corrosion resistance and high resistance to dezincification, making it suitable for various applications in water systems and marine environments.
The seamless tubes manufactured according to the ASTM B111 C44300 specification are typically used in heat exchangers, condensers, and other applications where good thermal conductivity and corrosion resistance are required. Some of the key properties of C44300 seamless tubes include high thermal conductivity, good mechanical strength, and excellent resistance to stress corrosion cracking. These tubes are capable of withstanding high temperatures and pressures commonly encountered in heat transfer applications.
Brass Seamless Tubes Equivalent Material
|
Grade |
USA |
U.K |
Germany |
Japan |
|
China BG |
ASTM B111 |
BS 2871 |
DIN 1785 |
JIS H3300 |
|
HAL77-2 |
C68700 |
CZ110 |
CuZn20Al2As |
C6870 |
|
HSn70-1 |
C44300 |
CZ111 |
CuZn28Sn1As |
C4430 |
|
H68A |
- |
CZ126 |
- |
- |
|
H65A / H63 |
C28000 / C27200 |
CZ108 |
CuZn26/CuZn37 |
C2800/C2700 |
| Material Designation | Corresponding Material Symbol | ||||
| GB/T8890 | ASTM B111 | BS2871 | JIS H3300 | DIN 1785 | |
| Copper-Nickel | BFe10-1-1 | C70600 Pipe | CN102 | C7060 | CuNi10Fe1Mn |
| BFe30-1-1 | C71500 Pipe | CN107 | C7150 | CuNi30Mn1Fe | |
| (BFe30-2-2) | C71640 | CN108 | C7164 | CuNi30Fe2Mn2 | |
| (BFe5-1.5-0.5) | C70400 | – | – | – | |
| B7 | – | – | – | – | |
| Aluminium Brass | HAL77-2 | C68700 Tube | CZ110 | C6870 | CuZn20Al2 |
| Admiralty Brass | HSn70-1 | C44300 Tube | CZ111 | C4430 | CuZn28Sn1 |
| Boric Brass | Hsn70-18 | – | – | – | – |
| HSn70-1 AB | – | – | – | – | |
| Arsenical Brass | H68A | – | CZ126 | – | – |
| Brass Tubes | H65/H63 | C28000/C27200 | CZ108 | C2800/C2700 | CuZn36/CuZn37 |
ASTM B111 / ASME SB111 C44300 brass tube Mechanical Properties
| Properties | Measurement |
| Yield strength | 105 MPa |
| Melting point | 899 ~ 938 °C |
| Tensile strength | 310 MPa |
| Thermal conductivity | 109 W/m-K @ 20.0 °C |
| Density | 8.53 g/cc |
| Heat capacity | 0.09 cal/g-°C @ 20ºC |
| CTE linear strength | 20.2 10-6/°C @ 20.0 – 300 °C |
Here are a few reasons why C44300 copper alloy tube may be chosen:
Excellent corrosion resistance: C44300 copper alloy tube offers exceptional corrosion resistance, making it suitable for applications where exposure to moisture, harsh chemicals, or corrosive environments is expected. It can withstand both saltwater and freshwater environments, making it ideal for marine applications.
High thermal conductivity: Copper inherently possesses excellent thermal conductivity, and C44300 copper alloy tube is no exception. It efficiently transfers heat, making it suitable for applications that require efficient heat transfer, such as heat exchangers and cooling systems.
Good formability: C44300 copper alloy tube is easily formed and fabricated, allowing it to be shaped and customized into various sizes and shapes to suit specific application requirements.
Reliable mechanical properties: This copper alloy offers good strength and durability, ensuring that it can withstand high pressure and mechanical stresses. It can be used in various industries, including HVAC, plumbing, and automotive, where reliable and robust tubing is needed.
Cost-effective: Compared to other materials with similar properties, C44300 copper alloy tube is relatively cost-effective. It offers a good balance between performance and price, making it a popular choice in many applications.
Applications
Plumbing and HVAC Systems
Electrical Industry
Medical Equipment
Heat Exchangers
Automotive Industry
Solar Thermal Systems
Industrial Equipment
Furniture and Decorative Items
Food and Beverage Industry
Marine Industry
Copper products that GNEE can provide
|
High quality 99.9% pure copper pipe / straight copper tube / copper alloy pipe |
|||
|
Standard |
ASTM,DIN,BS,CDA,JIS,GB |
||
|
Material |
T1,T2,C10100,C10200,C10300,C10400,C10500,C10700,C10800, |
||
|
Shape |
Round,Square,Rectangular,etc. |
||
|
Specifications |
Round:wall thickness:0.2mm~120mm,outside diameter:2mm~910mm
Square:wall thickness:0.2mm~120mm,size:2mm*2mm~1016mm*1016mm Rectangularwall thickness:0.2mm~120mm,size:2mm*4mm~1016mm*1219mm |
||
|
Length |
3m,5.8m, 6m, 11.8m, 12m, or as required. |
||
|
Hardness |
1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard,soft,etc |
||
|
Surface |
mill,polished,bright,oiled,hair line,brush,mirror,sand blast,or as required. |
||
|
Price term |
EXW, FOB, CFR, CIF, etc. |
||
|
Payment term |
T/T |
||
|
Package |
Export standard package: bundled wooden box, suit for all kinds of transport, |
||
|
Delivery time |
According to order quantity |
||
|
Export to |
Singapore,Indonesia,Ukraine,Korea,Thailand, Vietnam, Saudi Arabia, Brazil, Spain, |
||
|
Application |
Copper pipe is the first choice of residential housing water pipes, heating, cooling pipes |
||
|
Straight copper rod/copper round bar |
|||
|
Standard |
ASTM,DIN,BS,CDA,JIS,GB |
||
|
Material |
T1,T2,C10100,C10200,C10300,C10400,C10500,C10700,C10800, |
||
|
Shape |
Round,Square,Rectangular,etc. |
||
|
Specifications |
Diameter:3~200mm |
||
|
Length |
3m,5.8m, 6m, 11.8m, 12m, or as required. |
||
|
Hardness |
1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard,soft,etc |
||
|
Surface |
mill,polished,bright,oiled,hair line,brush,mirror,sand blast,or as required. |
||
|
Price term |
EXW, FOB, CFR, CIF, etc. |
||
|
Payment term |
T/T |
||
|
Package |
Export standard package: bundled wooden box, suit for all kinds of transport, |
||
|
Delivery time |
According to order quantity |
||
|
Export to |
Singapore,Indonesia,Ukraine,Korea,Thailand, Vietnam, Saudi Arabia, Brazil, Spain, |
||
|
Application |
A copper rod is a type of colored metal processing bar stock with high electrical conductivity. It is mainly divided into brass |
||
|
Size |
Width: 10mm to 2000mm, |
||
|
Hardness |
1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard. |
||
|
Surface |
Polished,bright,oiled,hair line,brush,mirror,or as required |
||
|
Package |
Plastic film with Wooden case or wooden pallet |
||
|
Delivery time |
Prompt delivery or upon your order quantity. |
||
|
Quality Control |
Mill Test Certification is supplied with shipment,Third Part Inspection is acceptable. |
||
|
Application |
widely used inair conditioners,refrigerators,electric,solar water heater, polished pipe an be used in decorative,such as stair |
||
|
Shape |
Round, Square, Oval, can be customized |
||
|
Item |
Copper Wire |
||
|
Standard |
ASTM,DIN,BS,CDA,JIS,GB |
||
|
Material |
T1,T2,C10100,C10200,C10300,C10400,C10500,C10700,C10800, |
||
|
Shape |
Round |
||
|
Specifications |
As required. |
||
|
Length |
As required. |
||
|
Hardness |
1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard,soft,etc |
||
|
Surface |
mill,polished,bright,oiled,hair line,brush,mirror,sand blast,or as required. |
||
|
Price term |
EXW, FOB, CFR, CIF, etc. |
||
|
Payment term |
T/T |
||
|
Package |
Export standard package: bundled wooden box, suit for all kinds of transport, |
||
|
Delivery time |
According to order quantity |
||
|
Application |
Copper wire, as a conductive material, is widely used in power transmission and electronic devices. Transformers, inductors, |
||
Copper CNC machined parts
|
Custom CNC Machining Parts of Most Materials
|
||||
|
Quotation
|
According to your drawing(size, material, thickness, processing content, and required technology, etc)
|
|||
|
Materials Avaiable
|
Brass,Stainless Steel,Q235&Q345 steel, Zinc-plate Sheet,Stainless Steel, Aluminum,Copper, etc.
|
|||
|
Surface Treatment
|
Zinc Plating, chrome plate, powder coating, anodizing, wire drawing, silk-screen printing, etc
|
|||
|
Processing
|
Laser Cutting, Precision Stamping, CNC Bending, CNC Milling, CNC Turning, Threading, Riveting, Drilling, CNC Punching,Die Casting, Laser Welding, etc.
|
|||
|
Testing Equipment
|
CMM/Tool microscope/multi-joint arm/Automatic height gauge/Manual height gauge/Dial gauge/Roughness measurement
|
|||
|
Drawing Formats
|
PRO/E, Auto CAD, Solid Works , UG, CAD / CAM / CAE, PDF
|
|||
|
Our Advantages
|
1.) 24 hours online service & Quickly Quote/Delivery.
2.) 100% QC quality inspection before delivery, and can provide quality inspection form.
3.) 18+ years of experience in the CNC machining area and have a senior design team to offer perfect modification suggestions. |
|||
|
Tolerance丨Surface Roughness
|
Generally +/-0.1-0.2mm
|
|||
|
Sample service
|
Avaliable before bulk order. Samples charge according your design, The sample fee can be used as the payment for mass goods.
|
|||
About Us
Founded in 2008, we specialize in exporting premium copper products. Our manufacturing leverages continuous casting lines and precision drawing machines. Rigorous quality control, including eddy current testing and spectrometer analysis, guarantees the superior performance of our copper tubes and coils for global applications.
If you need any help, please contact us immediately!
Email address：sales@gneemetal.com
Square Meters Built
Enterprise Employees
Cooperating Partner
Years Experience
